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Qwen3.5 Plus (02-15) vs Claude Fable 5

At a glance

Qwen3.5 Plus variant from February 2025 — optimized for balanced performance.

1M ctx$0.26/$1.56 per M

Anthropic's Mythos-class flagship for ambitious, long-running professional work.

921M ctx$10.00/$50.00 per M#2/92
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
No benchmarks available

This model hasn't been benchmarked yet.

Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI91.6
Reasoning & Knowledge
Factual Recall68.3%
Math
Competition Math99.7%
Specs
1M
Context
66K
Max output
Feb 2026
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input97%$0.26/M tokens
Output97%$1.56/M tokens
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$1.00/M tokens
Cache write$12.50/M tokens
Web search$0.01/search
Chat with Qwen3.5 Plus (02-15)Go to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: Qwen3.5 Plus (02-15) vs Claude Fable 5▼

Which is better, Qwen3.5 Plus (02-15) or Claude Fable 5?

▼

Both Qwen3.5 Plus (02-15) and Claude Fable 5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Qwen3.5 Plus (02-15) or Claude Fable 5?

▼

Qwen3.5 Plus (02-15) has a lower blended cost. Qwen3.5 Plus (02-15): $0.26 input / $1.56 output. Claude Fable 5: $10.00 input / $50.00 output.

Which has a larger context window, Qwen3.5 Plus (02-15) or Claude Fable 5?

▼

Qwen3.5 Plus (02-15) has a larger context window: Qwen3.5 Plus (02-15) supports 1M tokens vs Claude Fable 5 at 1M tokens.

Do both Qwen3.5 Plus (02-15) and Claude Fable 5 support vision?

▼

Yes, both Qwen3.5 Plus (02-15) and Claude Fable 5 support vision/image input.

What are the key differences between Qwen3.5 Plus (02-15) and Claude Fable 5?

▼

Key differences: Qwen3.5 Plus (02-15) is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Qwen3.5 Plus (02-15) and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

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